[Bug libstdc++/11378] New: Unbuffered sputn is slow

[peturr02 at ru dot is]

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11378

           Summary: Unbuffered sputn is slow
           Product: gcc
           Version: 3.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: libstdc++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: peturr02 at ru dot is
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-linux-gnu
  GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu

basic_filebuf::sputn is much slower than fwrite for unbuffered output. It seems
that sputn calls write once for each character, but fwrite calls write only once.